With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwrRfControlChannelStatus
Cisco Wireless Rf Control Channel Status
1.3.6.1.4.1.9.9.136.1.5.1.1.16
Each RF resource has an associated control channel. The control channel is used to send/receive control information to the RF resource. For the RF resouce to operate properly, the control channel must be established. This object indicates the status of the control channel ok(1) - RF resource may be controlled successfully notOk(2) - Cannot talk to the RF resource.
Back to CISCO-WIRELESS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor cwrRfControlChannelStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.